Physics How much mechanical work must be done to completely melt 1 gram of ice at 0°C ? 80 J 4.2 J 336 J 2268 J 80 J 4.2 J 336 J 2268 J ANSWER DOWNLOAD EXAMIANS APP
Physics At the Curie temperature, the ferromagnetic materials get converted into Paramagnetic materials Non-magnetic materials Diamagnetic materials None of the others Paramagnetic materials Non-magnetic materials Diamagnetic materials None of the others ANSWER DOWNLOAD EXAMIANS APP
Physics For which of the following substances, the resistance decreases with increase in temperature? Nichrome Platinum Pure silicon Copper Nichrome Platinum Pure silicon Copper ANSWER DOWNLOAD EXAMIANS APP
Physics Find the current (in A) when a charge of 1200C flows in 6 seconds. 7200 100 3600 200 7200 100 3600 200 ANSWER DOWNLOAD EXAMIANS APP
Physics A person lifts luggage of 20 kg from the ground and puts it on his head 2m above the ground. Calculate the work done by him. (g = 10 ) 20 J 200J 40J 400J 20 J 200J 40J 400J ANSWER DOWNLOAD EXAMIANS APP
Physics Specific gravity is defined as the ratio of Density of water at 4°C to the density of the substance Density of the substance to the density of water at 4°C Density of the substance to the density of water Density of the substance to the density of water at 0°C Density of water at 4°C to the density of the substance Density of the substance to the density of water at 4°C Density of the substance to the density of water Density of the substance to the density of water at 0°C ANSWER DOWNLOAD EXAMIANS APP